401(k) · DOL Form 5500 · 2024

Tandem Diabetes Care, Inc. 401(k) Plan

Data updated 2026-08-11

$136M
Total assets: 2,325
Participants: 92nd
Percentile by assets: $58,509
Avg per participant

Official DOL plan name: Tandem Diabetes Care, Inc. 401(k) Plan · Sponsored by Tandem Diabetes Care, Inc. · California · Manufacturing

$136M in assets, 2,325 participants

Tandem Diabetes Care, Inc.'s Tandem Diabetes Care, Inc. 401(k) Plan reported $136M in total assets and 2,325 participants in its 2024 DOL Form 5500 filing, ranking in the 92nd percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

92nd percentile by assets (of 123,622 plans)
#15,750 in Manufacturing (17,777 peers)

Coverage in California

Tandem Diabetes Care, Inc. 401(k) Plan covers 2,325 participants in California, 3.7x the typical California plan (state average ~630 per filing). Assets: $136M.

$136M
total plan assets (2024 EOY): 2,325
covered participants: 92nd
percentile by assets (of 123,622 plans): $58,509
avg assets per participant

Where Tandem Diabetes Care, Inc. 401(k) Plan sits by total assets

Tandem Diabetes Care, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$136,034,068 Top 8% higher than 92% of 123,620 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Tandem Diabetes Care, Inc. 401(k) Plan end-of-year assets rose from $102M in the plan year 2023 filing to $136M in the plan year 2024 filing.
Tandem Diabetes Care, Inc. 401(k) Plan reported participants fell from 2,499 in the plan year 2023 filing to 2,325 in the plan year 2024 filing.
Tandem Diabetes Care, Inc. 401(k) Plan reported net income rose from $34M in the plan year 2023 filing to $34M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

California

Industry

Manufacturing

Participants vs California filers

In California, the average filing covers about 630 participants across 15,291 plans. Tandem Diabetes Care, Inc. 401(k) Plan reports 2,325 participants - 3.7x that state average ($136M EOY assets).

California filing particulars

Total Assets (Beginning of Year)	$102M
Net Assets (End of Year)	$136M
Net Income	$34M
Employer EIN	204327508
Plan Effective Date	2009-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Tandem Diabetes Care, Inc.)

Total plan assets by year, all Tandem Diabetes Care, Inc. plans on file

Year	Plans	Participants	Total Assets
2022	1	1,922	$68M
2023	1	2,499	$102M
2024	1	2,325	$136M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Tandem Diabetes Care, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants

Google LLC 401(k) Savings Plan $48.7B · 116,712
Oracle Corporation 401(k) Savings and Investment Plan $31.0B · 58,962
Intel 401(k) Savings Plan $24.9B · 55,298
Apple 401(k) Plan $24.7B · 101,450
Cisco Systems,Inc. 401(k) Plan $22.7B · 40,452

Compare Tandem Diabetes Care, Inc. 401(k) Plan side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Tandem Diabetes Care, Inc. 401(k) Plan by total assets, not by location.

Velux America LLC 401(k) Retirement Plan (SC) $136M · 807
Chapman and Cutler LLP Salary Deferral Plan for Partners and Support Staff (IL) $136M · 334
Marine Industry Retirement Plan (IL) $136M · 4,233
Cornerstone Capital Bank, Ssb 401(k) Plan (TX) $136M · 1,434

Frequently Asked Questions

How did Tandem Diabetes Care, Inc. 401(k) Plan assets move in 2024? ▼

Tandem Diabetes Care, Inc. 401(k) Plan surged - up 33.7% during 2024, from $102M to $136M. Reported net income was $34M.

How have Tandem Diabetes Care, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Tandem Diabetes Care, Inc.'s sponsor-wide assets grew 99.6%, from $68M to $136M.

Where does Tandem Diabetes Care, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼

Tandem Diabetes Care, Inc. 401(k) Plan ranks in the 92nd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).

Which 401(k) plans are similar in size to Tandem Diabetes Care, Inc. 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Velux America LLC 401(k) Retirement Plan in SC ($136M, 807 participants).

Next read for Tandem Diabetes Care, Inc. 401(k) Plan

Filing takeaways

Ways to act on Tandem Diabetes Care, Inc. 401(k) Plan's numbers.

By total assets, Tandem Diabetes Care, Inc. 401(k) Plan ranks in the top 10% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in California. Compare plans
Tandem Diabetes Care, Inc.'s sponsor-wide assets have grown 99.6% since 2022 across 3 plan years on file. More Manufacturing plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 204327508.